Dtc B Front Occupant Classification Sensor Rh Circuit Malfunction Description

The occupant classification sensor front RH circuit consists of the occupant classification ECU and the occupant classification sensor front RH.

DTC B1781 is recorded when a malfunction is detected in the occupant classification sensor front RH circuit.

DIAGN

OSTIC TROUBLE CODE CHART

DTC No.

DTC Detecting Condition

Trouble Area

B1781

• The occupant classification ECU receives a line short circuit signal, an open circuit signal, a short circuit to ground signal or a short circuit to B+ signal in the occupant classification sensor front RH for 2 seconds.

• Occupant classification sensor front RH malfunction

• Occupant classification ECU malfunction

• Front seat assembly RH (Occupant classification sensor front RH)

• Occupant classification ECU

• Seat wire No. 1

HINT:

HINT:

When DTC B1650/32 is detected as a result of troubleshooting for the supplemental restraint system, check the DTCs stored in the occupant classification ECU. When DTC B1781 is output, perform troubleshooting for the DTC.

WIRING DIAGRAM

2007 RESTRAINTS Supplemental Restraint System - Sequoia

O ccu pa n t CI a ssifl cat ion Sensor Front RH

Occupant Classification ECU

O ccu pa n t CI a ssifl cat ion Sensor Front RH

SGD2

B-Y

3

\

SIG2

LG

2

\

SVC2

P

/

SIG2

SVC2

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